Green tea compounds could soothe radiation burns in cancer care
NCT ID NCT07149506
First seen Jun 26, 2026 · Last updated Sep 11, 2026 · Updated 1 time
Summary
This Phase 3 trial tests whether catechins (compounds found in green tea) given as a pill or spray can prevent or treat skin damage caused by radiation therapy. About 162 cancer patients will receive either catechins or a placebo, alongside standard care. The goal is to see if these natural compounds reduce redness, pain, and long-term scarring.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- catechins (epicatechin and epigallocatechin gallate)
- What this could lead to
- If it works, this could offer a simple, accessible way to reduce skin damage from radiation therapy, improving comfort and quality of life for cancer patients.
- What could go wrong
- This is a single, relatively small Phase 3 trial in Mexico. Catechins may not prove more effective than placebo, and results may not apply to other populations.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 3
Large-scale testing in a bigger group. Usually the last step before a treatment can be approved.
- Participants
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About 162 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Oct 2026
An estimate. Start dates often move.
- Expected to finish
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Mar 2027
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 75 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Histopathologically confirmed diagnosis of cancer. * Complete blood count, blood chemistry, and liver function tests within normal ranges. * Availability of an anatomopathological report. * Aged between 18 and 75 years. * Karnofsky performance status (KPS) score \> 60 or an Eastern Cooperative Oncology Group (ECOG) performance status score \< 3. * Candidate for radiotherapy with a prescribed dose of ≥40 Gy or its biological equivalent (EQD2). * Must provide written informed consent to participate in the study. * Must be able to swallow capsules. * Must meet one of the following cohort-specific criteria: 1. Prevention cohort: No clinical evidence of dermatitis at the initiation of radiotherapy. 2. Treatment cohort: Development of grade 1 dermatitis during radiotherapy, with symptom onset within the last 3 days. Exclusion Criteria: * Pregnant or lactating. * Immunocompromised or on chronic therapy with immunosuppressive or immunomodulatory medications. * History of chemical burns or unhealed wounds in the intended radiotherapy treatment area. * Current diagnosis of skin cancer or a known diagnosis of a DNA repair gene defect. * Prior radiotherapy to the area currently being treated. * Known allergy to any of the study compounds. * Currently receiving treatment with bortezomib, sunitinib, ticagrelor, or other antithrombotic agents. Withdrawal Criteria: * Adherence to the study intervention is less than 80%. * Withdrawal of consent. * Suspension of their radiotherapy sessions secondary to an acute infectious disease or the need for hospitalization
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
The full official record for this study. This one lists no contact details, but it is the first place any would appear.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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HRAEB
León, Guanajuato, 37544, Mexico
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Other studies related to the condition(s) this trial covers.
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